Expander tool



FIG. 1 is a perspective view showing the front, top, and right side of the expander tool showing my new design;

FIG. 2 is a front elevation of the device of FIG. 1;

FIG. 3 is a top plan of the device of FIG. 1;

FIG. 4 is a right side elevation of the device of FIG. 1;

FIG. 5 is a bottom plan of the device of FIG. 1;

FIG. 6 is a left side elevation of the device of FIG. 1; and

FIG. 7 is a rear elevation of the device of FIG. 1. 

The ornamental design for an expander tool, as shown. 